Dürüst, YaşarYıldırım, MuhammetFronczek, Chris F.Fronczek, Frank R.2021-06-232021-06-2320120026-92471434-4475https://doi.org/10.1007/s00706-011-0618-zhttps://hdl.handle.net/20.500.12491/7347Eleven novel dihydropyrrolo[3,4-c]pyrazole derivatives were obtained by the reaction of chiral (1R)-N-(1-phenylethyl)maleimide and C,N-aryl-substituted nitrilimines. The reaction afforded the cycloadducts as a regioisomeric mixture which can be separable in some cases. The structure and stereochemistry of cycloadducts were assigned on the basis of infrared (IR), H-1 and C-13 nuclear magnetic resonance (NMR), mass and X-ray spectra, optical rotation measurements, and CHN analyses.eninfo:eu-repo/semantics/closedAccessNitrilimineChiral Maleimide1,3-Dipolar CycloadditionYlideArticle10.1007/s00706-011-0618-z14311271382-s2.0-84858863301Q3WOS:000298753100017Q2